Bokun A. Growth, development and yield of corn depending on the effectivensis of crops care in the northern Steppe of Ukraine

The object of study – the processes of growth and development of plants and the formation of a new Middle- performance hybrid maize depending on the chemical and mechanical methods of caring for the crops. Purpose – to study the characteristics of growth, development and the formation of hybrid maize productivity Middle Khmelnitsky based on measures of care for the crops. Methods: field , laboratory , statistical, comparative calculation . Results: Improved agronomic measures of care for corn , for example, the new middle- Khmelnitsky hybrid that will help increase productivity , environmental safety and economic efficiency of production. Methods – field, laboratory, billing, statistics. Results: Research results tested under production conditions in 2010 LLC " Agros " Solonyansky region Dnepropetrovsk region area of 15 hectares and implemented in 2011 in Dnipropetrovsk Oblast farms on an area of 1.25 hectares.. Novelty – in the northern steppe of Ukraine The features of growth and development, yield formation of hybrid Khmelnitsky, depending on the use of herbicides TASK , Callisto, lyumaks wizard Dual Gold , Gold prymekstra TZ , Harnes with a wide range of phytotoxic effects on weeds and improved agri-environmental indicators . Sector – agriculture.